HIVE的定义，HIVE是什么？

最新推荐文章于 2025-06-24 18:25:33 发布

lanxingbudui

最新推荐文章于 2025-06-24 18:25:33 发布

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文章标签： HIVE HADOOP Apache 定义 HQL

本文链接：https://blog.youkuaiyun.com/lanxingbudui/article/details/82114326

一、我们看下官网(https://cwiki.apache.org/confluence/display/Hive/Home)的定义：

The Apache Hive™ data warehouse software facilitates reading, writing, and managing large datasets residing in distributed storage and queried using SQL syntax. 

Built on top of Apache Hadoop™, Hive provides the following features:

1、Tools to enable easy access to data via SQL, thus enabling data warehousing tasks such as extract/transform/load (ETL), reporting, and data analysis.
2、A mechanism to impose structure on a variety of data formats
3、Access to files stored either directly in Apache HDFS™ or in other data storage systems such as Apache HBase™ 
4、Query execution via Apache Tez™, Apache Spark™, or MapReduce
5、Procedural language with HPL-SQL
6、Sub-second query retrieval via Hive LLAP, Apache YARN and Apache Slider.

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